crewstack.dk DNS records

🖥️ Nameservers2 records 35ms

Nameserver	IP addresses	PTR	ASN / ISP
dina.ns.cloudflare.com	108.162.192.107 172.64.32.107 173.245.58.107 2606:4700:50::adf5:3a6b 2803:f800:50::6ca2:c06b 2a06:98c1:50::ac40:206b	dina.ns.cloudflare.com dina.ns.cloudflare.com dina.ns.cloudflare.com dina.ns.cloudflare.com dina.ns.cloudflare.com dina.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
paul.ns.cloudflare.com	108.162.193.135 172.64.33.135 173.245.59.135 2606:4700:58::adf5:3b87 2803:f800:50::6ca2:c187 2a06:98c1:50::ac40:2187	paul.ns.cloudflare.com paul.ns.cloudflare.com paul.ns.cloudflare.com paul.ns.cloudflare.com paul.ns.cloudflare.com paul.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 51ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.52.186	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.202.218	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records5 records 56ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	2a00:1450:4010:c22::1b 64.233.163.26	yulpptr-in-f27.1e100.net lj-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1b	yukulwh-in-f26.1e100.net mad01s14-in-f26.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1b	so-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1b	tp-in-f26.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	172.67.202.218
🔶 Autoconfig	104.21.52.186

🔷 AAAA Records (IPv6)2 records 49ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:34ba	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:cada	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 50ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.52.186,172.67.202.218 ech=AEX+DQBB5gAgACCCLTNPUKchD35Lp9JpVQJcE7AcxMh3glCyn+p+bl+aaAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:34ba,2606:4700:3033::ac43:cada

📝 TXT Records2 records 207ms

TXT Record
google-site-verification=kf9BixdIMH1lvc8fn8GR55V9OwWCvOl59nWOsEZMXhg
v=spf1 include:_spf.google.com ~all

✉️ SPF

Policy	Record (crewstack.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records

✗ No CAA records — any CA may issue certificates

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC90ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2411376140
Primary NS (MNAME)	dina.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

35ms

A

51ms

MX

56ms

AAAA

49ms

TXT

207ms

CAA

56ms

HTTPS

50ms

TLSA

149ms

SOA

0ms

MTA-STS

70ms

DNSSEC

90ms

SRV

78ms

Total

1533ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 05:36:00	2923ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-08-09 18:23:41	2146ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-08-06 11:23:32	1533ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-06-27 09:01:01	1131ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-06-20 06:54:38	3784ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-06-20 00:09:13	934ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-06-16 22:56:14	660ms	2 NS 2 A 5 MX	🔓 Insecure	View